<template>
  <footer class="footer">
    <span class="todo-count"
      >剩余<strong>{{ len }}</strong></span
    >
    <ul class="filters">
      <li>
        <a
          :class="{ selected: type === 'all' }"
          href="javascript:;"
          @click="$emit('changeType', 'all')"
          >全部</a
        >
      </li>
      <li>
        <a
          :class="{ selected: type === 'no' }"
          href="javascript:;"
          @click="$emit('changeType', 'no')"
          >未完成</a
        >
      </li>
      <li>
        <a
          :class="{ selected: type === 'yes' }"
          href="javascript:;"
          @click="$emit('changeType', 'yes')"
          >已完成</a
        >
      </li>
    </ul>
    <button class="clear-completed" @click="$emit('clearTask')">
      清除已完成
    </button>
  </footer>
</template>

<script>

export default {
  props: {
    type: String,
    len: Number,
  },

}
</script>